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| 008 | 140529s1997 xxu||||| |||| 00| 0 eng d | ||
| 041 | _aeng | ||
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_aQuine, Willard Van Orman _9138244 |
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_aFree Logic, Description, and Virtual Classes _c Willard van Orman Quine |
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_aLógica Libre _9138415 |
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_tDialogue _gvol. 36, nº. 1, 1997, págs. 101-108 _wRev1515 |
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_c511640 _d511640 |
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